Missed Revenue Calculator

Customer Lifetime Value Calculator for Small Business Owners

See what one new customer is worth to you over time, and what missed inquiries may be costing you each month. Change any number to match your business.

Free, 30 minutes, and yours to keep.

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Quick answer

How do you calculate customer lifetime value for a small business?

Multiply what a customer pays you each month by the number of months they usually stay. That total is their lifetime value. It tells you how much you can afford to spend to win one new customer and still come out ahead. This free calculator does the math and shows what missed inquiries may cost you.

Your numbers

What one student, member, or client pays you each month.
$
months
Change the assumptions (our typical benchmarks)
%
%
%
Lifetime value of one customer $1,500
New customers a month, projected7.8 vs. 5 today
Lifetime value missed each month without it$11,700
Monthly revenue by month 12$11,310
Revenue in the first 12 months$76,050

300 clicks, about 24 inquiries, about 16 show up, about 8 new customers a month

These projections are estimates built from our typical benchmarks, not promises. Typical benchmarks. Results vary by market, offer, and business. How we use benchmarks.

What customer lifetime value means

Customer lifetime value is the total a customer pays you for as long as they stay. For most studios and schools, the math is simple: the monthly fee times the number of months a customer stays.

That number is usually bigger than it feels. A student who pays tuition for two years is worth far more than the first month suggests.

If you sell packages or single visits instead of monthly plans, use what a typical client spends in an average month.

Why it changes what you can spend

If you only count the first month, almost any marketing looks expensive. Count the whole stay, and the picture changes.

Lifetime value sets the ceiling on what you could spend to win one customer. Spending well under it leaves room for rent, staff, and profit.

How the projection works

The calculator follows the path from a Google search to your schedule. It multiplies four numbers together:

  1. How many people click through to your site from Google each month
  2. The share of those visitors who send an inquiry
  3. The share of people who inquire and then come in for a first visit
  4. The share of first-time visitors who become paying customers

The result is new customers per month. Multiply that by lifetime value, and you see what one month of searches could be worth over time.

Each step depends on the one before it. A small gain early in the path, like a clearer intro offer, carries through to every step after it.

The starting numbers are our typical benchmarks, not promises. Change any of them to match what you see in your own business.

Search growth takes time, so the first months usually bring fewer clicks than later ones.

A worked example, with made-up numbers

These numbers are invented to show the math. They are not benchmarks or results.

Say 100 people click through to your site from Google in a month. If 1 in 10 of them asks a question, that’s 10 inquiries.

Now say 7 of those 10 come in for a first visit, and 3 of the 7 sign up. That’s 3 new customers from one month of searches.

If each one pays $120 a month and stays 15 months, each is worth $1,800. Together, those 3 customers bring in $5,400 over their stay.

Now think about the inquiries that never got a reply. That’s the missed revenue this calculator is named for, and answering within 60 seconds is the simplest fix.

How to raise lifetime value

You can raise lifetime value two ways: charge more, or keep people longer. Keeping people longer is usually the kinder path, and often the easier one.

  • Start strong. A warm welcome and a reminder text before the first class help new families settle in.
  • Mark milestones. A note after a first recital, a new belt, or six months of lessons shows you notice their progress.
  • Invite people back. A friendly welcome-back message can bring a past student back for a new season.
  • Make referrals easy. Happy customers bring friends more often when you give them a simple way to do it.

Our plan covers each of these, from reminder texts to milestone check-ins and referral invitations.

Estimates, not promises

Every number this calculator shows is an estimate. It’s a planning tool, not a prediction.

Real results depend on your town, your offer, your prices, your season, and how fast inquiries get answered. Our benchmarks are typical, and your numbers may run higher or lower.

Use the estimate to decide where to look first. If a missed inquiry turns out to be worth a lot, faster replies are a smart place to start.

See how we talk about results for the details.

Lifetime value questions, answered

What is a good customer lifetime value for a small business?

There’s no single good number, because it depends on your prices and how long people stay. The real test is how lifetime value compares with what you spend to win a customer. If a customer is worth many times what it cost to bring them in, you’re in good shape.

How do I find out how long my customers stay?

Look back at customers who have already left. Count the months each one stayed, then take the average. Your billing history, class software, or an old roster can help. If you’re just starting out, make a careful guess and update it as the months go by.

Where do the calculator’s starting numbers come from?

They’re our typical benchmarks for each step, from Google clicks to new customers. They’re a sensible place to start, not a promise. If you already know your own numbers, such as how many inquiries turn into first visits, type those in for a more personal estimate.

How much should I spend to get a new customer?

Less than that customer is worth, with room to spare. Start with lifetime value, then subtract what it costs you to serve that customer. What’s left is the most you could spend to win one. Staying well under that keeps your business healthy.

Can I use this calculator for a med spa or a package-based business?

Yes. Add up what a typical client spends over a few months, then divide by the number of months. For someone who buys a package every few months, divide the package price by the months it covers. Then estimate how long a typical client keeps coming back.

Why do missed inquiries cost so much?

Because each one could have been a customer who stayed for months. When someone asks about a class and hears nothing for a day, they may well book somewhere else. You don’t just lose one visit. You lose the whole stay, plus any friends they might have referred.

Turn your estimate into a real plan

Your numbers make a great starting point for a free 30-minute strategy session. We’ll look at how people in your town search for what you offer, and where your missed customers go instead.

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Free. 30 minutes. A plan for your town that is yours to keep.

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Before you go

What is one new customer worth to you?

Plug in your monthly fee and how long people usually stay. See the lifetime value of every customer you are missing, in about a minute.

Open the Missed Revenue Calculator